I was in fear for my life. It appeared to me that the person was reaching for a weapon and that he meant to do me or others nearby grievous bodily harm with that weapon. That is all I will say at the moment, as I need to talk to my lawyer."

+1 especially the lawyer part. Don't say anyting more than your name, rank and serial number and keep your lawyer on speed dial.
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"I didn't care what she didn't 'low--I would boogie-woogie anyhow" John Lee Hooker